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Evidence for a `Fast-Slow' Continuum of Life-History Traits Among Parasitoid Hymenoptera
T. M. Blackburn
Vol. 5, No. 1 (1991), pp. 65-74
Published by: British Ecological Society
Stable URL: http://www.jstor.org/stable/2389556
Page Count: 10
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Evidence is presented for a fast-slow continuum of life-history traits across 474 species of parasitoid Hymenoptera. Individuals from more fecund parasitoid taxa invest less in each egg, lay eggs at a faster rate and start to reproduce sooner after eclosion than individuals from less fecund parasitoid taxa, as is the case in the other animal taxa studied. This continuum is not dependent on either adult size or taxonomic association. There is a positive relationship between adult size and fecundity, when egg size is controlled for by partial correlation. Relationships between fecundity and aspects of parasitoid ecology were reexamined in the light of this correlation, but failed to reveal any associations.
Functional Ecology © 1991 British Ecological Society